package com.example.excelapp.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.excelapp.entity.UserData;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;

public interface UserService extends IService<UserData> {
    void generateAndInsertMillionData();

    void importExcel(MultipartFile file) throws IOException;

    void exportExcel();

    void exportExcelMan();
}
